<?php

namespace common\components;

use \Yii;

class RoleDefinition
{

    public static $ROLE_ADMIN = "admin";
    public static $ROLE_RECEPTION = "reception";
    public static $ROLE_EMPLOYEE = "employee";
    public static $ROLE_TRAINER = "trainer";


    public static function roleLabels()
    {
        return [
            'reception' => Yii::t('common/role', 'Reception'),
            'admin' => Yii::t('common/role', 'Administrator'),
            'employee' => Yii::t('common/role', 'Employee'),
            'Trainer' => Yii::t('common/role', 'Edző'),
        ];
    }

    public static function getRoleLabel($role)
    {
        $result = null;
        $roleLabels = self::roleLabels();
        if (array_key_exists($role, $roleLabels)) {
            $result = $roleLabels[$role];
        }
        return $result;
    }


    public static function roleDefinitions()
    {
        return [
            'employee' => [
                'canAllow' => ['employee'],
            ],
            'admin' => [
                'canAllow' => ['admin', 'reception', 'employee'],
            ],
            'reception' => [
                'canAllow' => [],
            ],
        ];
    }


    public static function getRoleDefinition($role)
    {
        $defs = self::roleDefinitions();
        $result = null;
        if (array_key_exists($role, $defs)) {
            $result = $defs[$role];
        }
        $result = $defs[$role];
        return $result;
    }

    public static function getRolesCanAllow($role)
    {
        $result = [];
        $def = self::getRoleDefinition($role);
        if (isset($def)) {
            $result = $def['canAllow'];
        }

        return $result;
    }

    public static function can($role)
    {
        $result = false;
        if (!Yii::$app->user->isGuest) {
            if (isset($role)) {
                if (is_array($role)) {
                    foreach ($role as $r) {
                        $result |= Yii::$app->user->can($r);
                    }
                } else if (is_string($role)) {
                    $result = Yii::$app->user->can($role);
                }
            }
        }
        return $result;
    }

    public static function canAny($roles)
    {
        foreach ($roles as $role) {
            if (self::can($role)) {
                return true;
            }
        }
        return false;
    }

    public static function isAdmin()
    {
        return self::can('admin');
    }

    public static function isReception()
    {
        return self::can('reception');
    }

    public static function isEmployee()
    {
        return self::can('employee');
    }

    public static function isTrainer()
    {
        return self::can('trainer');
    }


    public static function isLoggedUser()
    {
        return self::isTrainer() || self::isAdmin() || self::isEmployee()
            || self::isReception();
    }

    /*
     * [
     *  	'role1' => 'template1',
     *      'role2' => 'template2,
     *      ]
     * */
    public static function getRoleTemplate($templates)
    {
        $result = "";
        foreach ($templates as $role => $template) {
            if (Yii::$app->user->can($role)) {
                $result = $template;
                break;
            }
        }
        return $result;
    }

}